Trimmer



April 3, 1928..

W. YERGER TRIMMER 2 Sheets-Sheet 1 Filed Dec. 10. 1924 |NVENTO RATTORNEY WITNESS:

, ma ma Aprii 3, 1928.,

w. YERGER 'T RIMMER Filed Dec. 10. 1924 2 Sheets-Sheet 2 M11 jig rye,"

WITNESS: ATTORNEY Patented Apr. 3,1928.

UNITED STATES PATENT, OFFICE.

TBIIIMMER.

Application filed December 10, 1924. Serial No. 755,052.

-. other features of construction and in the connected by a flexibleshaft 13 with a motor combination and arrangement of the several parts,to be hereinafter fully described, illustrated in the accompanyingdrawings and specifically pointed out in the appendedclalm.

In describing my invention in detail, reference will be had to theaccompanying drawings wherein like characters denote like orcorresponding parts throughout the several views, and in which Figure 1is a plan view of the trimmer.

Figure 2 is a sectional view through the trimmer.

Figure 3 is a perspective view of the cover plate.

Figure 4: is an enlarged plan view with parts in section.

Figure 5 is a similar view but showing the driving means.

Figure 6 is a section on line 99 of Figure 5.

Figure 7 is a bottom plan view.

Figure 8 is an edge view.

In these views, 1 indicates a' frame having a handle 2, and formed withan arcuate portion 1'. A bottom plate 3 is bolted to the frame and whichis formed with the fingers 4 which cooperate with the rotary cutter 5which has a pair of curved cutting arms, as shown. This cutter isfastened to the lowor end of a sleeve 6 which is carried by a bolt 7passing through the bottom plate and through the fra'me'and through anenlargement 8 formed on the cover plate 9 which is held to the frame bythe same bolts which -hold thebottom plate to the frame. A worm wheel 10is also fastened to the sleeve 6 and these parts are held on the bolt bythe nuts 11. A worm 12 is rotatably arranged in the space formed by theenlargement 8 and meshes with the gear 10 and this worm is 14 which isattached to a harness so'that the motor can be carried by a person uslngthe trimmer. If desired, the flexible shaft can be attached to a worm 16which meshes with a worm wheel 17, to the-shaft of which a hand wheel 18is connected, so that the trimmer can be operated by hand. In this casethe frame 19 which carries the hand the harness. The flexible shaft isenclosed in a casing 20 as usual. A sheath may be provided for thefingers when the device is not muse.

From the foregoing it will be-seen that as the revolving cutter passesover the fingers it will bring the material being acted upon betweenitself and the cutting edges of the fingers so that the material will becut. The under face of the plate 3 is provided with tapering grooves 22which communicate with the spaces between-the fingers so that thetrimmer can pass over the stumps of the material being out withoutdifficulty. The curved arms of the revolving cutter passing over thefingers will insure quick and efficient cutting of the'material as itpasses between the fingers. As before stated, the trimmer can beoperated by a motor, as shown in Figure 1 or by hand operated means.

It'is though from the foregoing description that the advantages andnovel features of my invention will be readily apparent.

I desire it to be understood that I may make changes in the constructionand in the combination and arrangement of the sever'al parts, providedthat such changes fall within the scope of the'appended claim.

What I claim is v A device of the character described comprising aframe, a handle attached to the frame, a bottom plate on the framefornied with a plurality of spaced fingers, an arcuate housing at theinner end. of the plate, a removable cover. plate for the frame havingan enlargement, a bolt extending through the bottom plate and throughthe enlargevment, a sleeve mounted on the bolt, a worm gear mounted uponthe sleeve, nuts threaded on the upper end of the bolt and bearingagainst the sleeve, a driven shaft extending through the enlargement, aworm upon said shaft adapted to mesh with the first worm, and a. rotarycutter carried by the inner end of the sleeve and rotatable over thefingers as and for the purpose specified.

In testimony whereof I aflix my signature.

WHJL YERGER.

